EP3045744A1 - Fixing device - Google Patents

Fixing device Download PDF

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Publication number
EP3045744A1
EP3045744A1 EP15202948.4A EP15202948A EP3045744A1 EP 3045744 A1 EP3045744 A1 EP 3045744A1 EP 15202948 A EP15202948 A EP 15202948A EP 3045744 A1 EP3045744 A1 EP 3045744A1
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EP
European Patent Office
Prior art keywords
tab
fastening
mounting hole
fastening device
contact surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15202948.4A
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German (de)
French (fr)
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EP3045744B1 (en
Inventor
Günter GRABHER
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Grass GmbH
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Grass GmbH
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Publication of EP3045744A1 publication Critical patent/EP3045744A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/041—Releasable devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/24—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using separate pins, dowels, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/28—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for metal furniture parts
    • F16B12/36—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for metal furniture parts using separate pins, dowels or the like

Definitions

  • the invention relates to a fastening device, with a fastening element of small wall thickness, for example mounting plate or mounting plate for attachment to another component, with at least one mounting hole for carrying a fastening member which is engageable with its outer surface on a contact surface forming an inner wall of the mounting hole into abutment.
  • Fasteners with low wall thicknesses are usually used to rigidly or movably attach a first component to another component.
  • a fastening member passes through the one component and engages in the other component, and is fixed in this by means of a fastening element.
  • the other component it is necessary for the other component to have a sufficiently large wall thickness as a fastening element, so that the fastening element can be fastened to the component and the fastening member can be anchored in this fastening element.
  • Disk-shaped fasteners are usually not suitable for this, since they usually rest only on the top of the component, but do not engage in the component.
  • the attachment member then passes through the contact surface of the inner wall of the mounting hole of the fastener attacks. A stop against tearing is not guaranteed.
  • the invention is based on the object to provide a fastening device of the type mentioned, in which the fastening member can be fixed with good security even with a disk-shaped fastener, without the need for additional elements are required.
  • This object is achieved in that the change in the contact surface, the inner wall in the axial direction of the mounting hole by at least one tab is extended or extended.
  • the fastener In order to provide the outer surface of the fastening member, such as the thread of a screw, a sufficiently large contact surface on the inner wall of the fastener, the fastener has at least one tab, which in the axial direction of the fastening member to be fastened, ie in the axial direction of the mounting hole, extended or extended is and thus protrudes out of the plane of the disk-shaped fastener and into the mounting hole.
  • the thickness of the fastener is increased because the tab bent out of the plane and thereby the contact surface of the inner wall is increased.
  • the outer surface of the fastening member thus receives the required contact surface.
  • the fastener is therefore no longer two-dimensional, ie disc-shaped, but three-dimensional, since the tab protrudes from the plane of the disc.
  • the at least one tab made of the material of the fastener, i. formed out of the disk-shaped plane and bent or bendable in the axial direction.
  • the material of the fastening element consists of a tough material, in particular steel, aluminum, copper or the like, and therefore is relatively easily deformable.
  • the fastening element consists of plastic, in particular a thermoplastic, wherein e.g. During the injection molding process, the tab is already aligned in the desired axial direction. For highly elastic plastics, the tab can also be bent into the mounting hole upon insertion of the attachment member.
  • the at least one tab in a fastener made of a tough material, the at least one tab between a starting position in which it protrudes in the radial direction in the free opening cross section of the mounting hole, and an abutment position in which it extends in the axial direction, bendable or bendable.
  • the fastening element is therefore flat in its initial position, wherein the at least one tab is initially located in this plane. From this level, the tab is then bent out and then extends in the axial direction in which it then occupies the investment position. This is done in particular when the fastening member is inserted into the fastening opening.
  • the tab is designed such that it is bendable or bendable by the insertion of the fastening member from the starting position into the contact position. So it needs no additional step, since the tab is automatically bent out upon insertion of the fastening member from the plane of the disc-shaped fastener and then rests against the outer wall of the fastener.
  • An embodiment has the content that a plurality, in particular at equal intervals aligned tabs are provided. These plurality of tabs are then after bending on the outer wall or on the outer surface of the fastening member and hold on this, since they have equal distances from each other, securely fixed.
  • the attachment member can not move in any direction, especially not if the tabs have equal angular distances from one another.
  • the at least one tab has a rectangular, round, elliptical, trapezoidal or square basic shape.
  • the rectangular basic shape is relatively easy to produce, wherein the fastener is generated for example by means of a punching process from a metal sheet.
  • the contact surface of the tab for optimizing the attachment member may be adapted so that it bears, for example, under bias or when inserting or screwing the attachment member less strongly applied to this, as when pulling out or unscrew.
  • a fastening element consisting of sheet metal in which optionally also the tab can be formed with a thinner thickness, the deformation or bending of the tab is easily and without additional tools, eg only by inserting the fastening member feasible.
  • the fastener and preferably the at least one tab of sheet metal material.
  • Such fasteners are on the one hand tough and can transmit large forces, on the other hand, they are relatively flat and wear only slightly above the mounting hole.
  • At least one fastening element for example a pin, dowel or bolt, passes through the fastening hole and lies in contact with the contact surface of the fastening element.
  • the tab thus acts directly on the fastening member, wherein the fastening member is designed as a pin, bolt or screw, but it can also be designed as a dowel, in which engages a further retaining element.
  • the invention also relates to a piece of furniture, comprising a furniture body and a movable furniture part, in particular a drawer, door or flap, which is guided relative to the furniture body via a guide device, the furniture having a fastening device which has the features mentioned above and below.
  • a fastener 10 is shown, which is disc-shaped and was punched out of a sheet metal material, for example.
  • the fastening element 10 has a fastening hole 12, which has a part-circular edge 14. From this edge 14 protrude radially three rectangular tabs 16 in the direction of the center 46 from.
  • the fastening element 10 is flat with its tabs 16.
  • FIG. 2 a second embodiment of a fastener 10 is shown, wherein four tabs 16 are arranged on the edge 14 of the mounting hole 12, and the tabs 16 are bent over the edge 14 so that they extend in the direction of the axis 18 of the mounting hole 12.
  • the tabs 16 are slightly cut at the edge 14 in the radial direction, so that each tab 16 can be bent at the cutting edge 20.
  • the tabs 16 extend now out of the original plane of the fastener 10 out.
  • FIG. 3 is pressed between the individual tabs 16 designed as a dowel 22 mounting member 24 which is held by the inner wall 26 of the tabs 16.
  • the inner wall 26 of each tab 16 abuts against the outer surface 28 of the dowel 22 and holds it against rotation.
  • On the outer surface 28 of the dowel 22 also axial grooves can be provided, in which the tabs 16 engage slightly, whereby an intimate connection of the fastening member 24 and fastener 10 is achieved.
  • the fastening member 24 On the visible outer side of the fastening member 24 are nose 30, which press on the knee 32 of the tab 16, whereby a further insertion of the fastening member 26 is prevented in the mounting hole 12.
  • a pin, a screw, a pin or the like can be inserted, screwed or hammered.
  • the material of the pin, the screw or the bolt plays no role, whereas the dowel 22 is preferably made of plastic and the fastener 10 is preferably made of metal, in particular steel.
  • the fastener 10 which, as shown FIG. 4 seen, also disc-shaped, three tabs 16, the foot 34 has a relatively deep incision 38 on one side 36.
  • the opposite side 40 is not or only slightly cut.
  • the end edge 42 of the tab 16 extends approximately parallel to the foot edge 44. It can be seen that the Depth of the incision 38 has a larger radius (r 2 ), as the radius (r 1 ) at the end of the side 40 at the transition to the edge 14th

Abstract

Bei einer Befestigungseinrichtung, mit einem Befestigungselement (10) geringer Wandstärke, beispielsweise Befestigungsplättchen oder Befestigungsscheibe zur Befestigung an einem anderen Bauteil, mit wenigstens einem Befestigungsloch (12) zur Durchführung eines Befestigungsgliedes (24), das mit seiner Außenfläche (28) an einer eine Anlagefläche bildenden Innenwandung (26) des Befestigungslochs (12) in Anlage bringbar ist, ist zur Vergrößerung der Anlagefläche die Innenwandung (26) in Axialrichtung des Befestigungsloches (12) durch wenigstens eine Lasche (16) verlängert oder verlängerbar.In a fastening device, with a fastening element (10) of small wall thickness, for example mounting plate or mounting plate for attachment to another component, with at least one mounting hole (12) for passing a fastening member (24) with its outer surface (28) on a contact surface forming inner wall (26) of the mounting hole (12) is brought into abutment, the inner wall (26) in the axial direction of the mounting hole (12) by at least one tab (16) is extended or extended to increase the contact surface.

Description

Die Erfindung betrifft eine Befestigungseinrichtung, mit einem Befestigungselement geringer Wandstärke, beispielsweise Befestigungsplättchen oder Befestigungsscheibe zur Befestigung an einem anderen Bauteil, mit wenigstens einem Befestigungsloch zur Durchführung eines Befestigungsgliedes, das mit seiner Außenfläche an einer eine Anlagefläche bildenden Innenwandung des Befestigungslochs in Anlage bringbar ist.The invention relates to a fastening device, with a fastening element of small wall thickness, for example mounting plate or mounting plate for attachment to another component, with at least one mounting hole for carrying a fastening member which is engageable with its outer surface on a contact surface forming an inner wall of the mounting hole into abutment.

Befestigungseinrichtungen mit geringen Wandstärken dienen üblicherweise dazu, ein erstes Bauteil an einem anderen Bauteil starr oder beweglich zu befestigen. Hierfür durchgreift ein Befestigungsglied das eine Bauteil und greift in das andere Bauteil ein, und wird in diesem mittels eines Befestigungselements fixiert. Hierfür ist es aber erforderlich, dass das andere Bauteil für als Befestigungselement eine genügend große Wandstärke besitzt, so dass das Befestigungselement am Bauteil befestigt werden und das Befestigungsglied in diesem Befestigungselement sich verankern kann. Scheibenförmige Befestigungselemente sind in der Regel hierfür nicht geeignet, da sie üblicherweise nur an der Oberseite des Bauteils aufliegen, in das Bauteil aber nicht eingreifen. Das Befestigungsglied durchgreift dann die Anlagefläche der Innenwandung des Befestigungslochs des Befestigungselemente angreift. Ein Halt gegen Ausreißen wird dabei aber nicht gewährleistet.Fasteners with low wall thicknesses are usually used to rigidly or movably attach a first component to another component. For this purpose, a fastening member passes through the one component and engages in the other component, and is fixed in this by means of a fastening element. For this purpose, however, it is necessary for the other component to have a sufficiently large wall thickness as a fastening element, so that the fastening element can be fastened to the component and the fastening member can be anchored in this fastening element. Disk-shaped fasteners are usually not suitable for this, since they usually rest only on the top of the component, but do not engage in the component. The attachment member then passes through the contact surface of the inner wall of the mounting hole of the fastener attacks. A stop against tearing is not guaranteed.

Der Erfindung liegt nunmehr die Aufgabe zugrunde, eine Befestigungseinrichtung der eingangs genannten Art bereitzustellen, bei welcher das Befestigungsglied auch bei einem scheibenförmigen Befestigungselement mit guter Sicherheit fixierbar ist, ohne dass hierfür zusätzliche Elemente erforderlich sind.The invention is based on the object to provide a fastening device of the type mentioned, in which the fastening member can be fixed with good security even with a disk-shaped fastener, without the need for additional elements are required.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass zur Veränderung der Anlagefläche die Innenwandung in Axialrichtung des Befestigungsloches durch wenigstens eine Lasche verlängert oder verlängerbar ist.This object is achieved in that the change in the contact surface, the inner wall in the axial direction of the mounting hole by at least one tab is extended or extended.

Um die Außenfläche des Befestigungsgliedes, z.B. dem Gewinde einer Schraube, eine genügend große Anlagefläche an der Innenwandung des Befestigungselements zu bieten, weist das Befestigungselement wenigstens eine Lasche auf, welche in Axialrichtung des zu befestigenden Befestigungsgliedes, also auch in Axialrichtung des Befestigungsloches, verlängert oder verlängerbar ist und somit aus der Ebene des scheibenförmigen Befestigungselements heraus und in das Befestigungsloch hineinragt. Hierdurch wird die Dicke des Befestigungselements vergrößert, da die Lasche aus der Ebene herausgebogen und dadurch die Anlagefläche der Innenwandung vergrößert wird. Die Außenfläche des Befestigungsgliedes erhält hierdurch die erforderliche Berührungsfläche. So können z.B. bei einer Schraube genügend viele Gewindegänge in das Material der Lasche des Befestigungselements, d.h. der Innenwandung der Lasche, eingreifen. Das Befestigungselement ist also nicht mehr zweidimensional, also scheibenförmig, sondern dreidimensional ausgebildet, da die Lasche aus der Ebene der Scheibe herausragt.In order to provide the outer surface of the fastening member, such as the thread of a screw, a sufficiently large contact surface on the inner wall of the fastener, the fastener has at least one tab, which in the axial direction of the fastening member to be fastened, ie in the axial direction of the mounting hole, extended or extended is and thus protrudes out of the plane of the disk-shaped fastener and into the mounting hole. As a result, the thickness of the fastener is increased because the tab bent out of the plane and thereby the contact surface of the inner wall is increased. The outer surface of the fastening member thus receives the required contact surface. Thus, for example, with a screw, a sufficient number of threads can engage in the material of the lug of the fastening element, ie, the inner wall of the lug. The fastener is therefore no longer two-dimensional, ie disc-shaped, but three-dimensional, since the tab protrudes from the plane of the disc.

Bei einer Weiterbildung der Erfindung ist vorgesehen, dass die wenigstens eine Lasche aus dem Material des Befestigungselements, d.h. aus der scheibenförmigen Ebene herausgebildet und in Axialrichtung umgebogen oder umbiegbar ist. Dies wird dadurch möglich, dass das Material des Befestigungselements aus einem zähen Werkstoff, insbesondere Stahl, Aluminium, Kupfer oder dergleichen besteht, und daher relativ einfach verformbar ist. Bei einer anderen Variante besteht das Befestigungselement aus Kunststoff, insbesondere einem thermoplastischen Kunststoff, wobei z.B. beim Spritzgussvorgang die Lasche bereits in der gewünschten Axialrichtung ausgerichtet ist. Bei hochelastischen Kunststoffen kann die Lasche auch in das Befestigungsloch beim Einsetzen des Befestigungsglieds umgebogen werden.In a further development of the invention it is provided that the at least one tab made of the material of the fastener, i. formed out of the disk-shaped plane and bent or bendable in the axial direction. This is possible because the material of the fastening element consists of a tough material, in particular steel, aluminum, copper or the like, and therefore is relatively easily deformable. In another variant, the fastening element consists of plastic, in particular a thermoplastic, wherein e.g. During the injection molding process, the tab is already aligned in the desired axial direction. For highly elastic plastics, the tab can also be bent into the mounting hole upon insertion of the attachment member.

Insbesondere bei einem aus einem zähen Material bestehenden Befestigungselement ist die wenigstens eine Lasche zwischen einer Ausgangsstellung, in der sie in radialer Richtung in den freien Öffnungsquerschnitt des Befestigungsloches hineinragt, und einer Anlagestellung, in der sie sich in Axialrichtung erstreckt, biegbar bzw. umbiegbar. Das Befestigungselement ist also in seiner Ausgangslage eben ausgebildet, wobei die wenigstens eine Lasche sich zunächst einmal in dieser Ebene befindet. Aus dieser Ebene wird die Lasche dann heraus gebogen und erstreckt sich dann in Axialrichtung, in der sie dann die Anlagestellung einnimmt. Dies erfolgt insbesondere dann, wenn das Befestigungsglied in die Befestigungsöffnung eingeschoben wird.In particular, in a fastener made of a tough material, the at least one tab between a starting position in which it protrudes in the radial direction in the free opening cross section of the mounting hole, and an abutment position in which it extends in the axial direction, bendable or bendable. The fastening element is therefore flat in its initial position, wherein the at least one tab is initially located in this plane. From this level, the tab is then bent out and then extends in the axial direction in which it then occupies the investment position. This is done in particular when the fastening member is inserted into the fastening opening.

Gemäß eines bevorzugten Ausführungsbeispiels der Erfindung ist die Lasche derart ausgebildet, dass sie durch das Einführen des Befestigungsglieds von der Ausgangsstellung in die Anlagestellung biegbar oder umbiegbar ist. Es bedarf also keines zusätzlichen Arbeitsschrittes, da die Lasche automatisch beim Einführen des Befestigungsgliedes aus der Ebene des scheibenförmigen Befestigungselements herausgebogen wird und dann an der Außenwand des Befestigungselements anliegt.According to a preferred embodiment of the invention, the tab is designed such that it is bendable or bendable by the insertion of the fastening member from the starting position into the contact position. So it needs no additional step, since the tab is automatically bent out upon insertion of the fastening member from the plane of the disc-shaped fastener and then rests against the outer wall of the fastener.

Ein Ausführungsbeispiel hat zum Inhalt, dass mehrere, insbesondere mit gleichen Abständen zueinander ausgerichtete Laschen vorgesehen sind. Diese mehreren Laschen liegen dann nach dem Umbiegen an der Außenwand bzw. an der Außenfläche des Befestigungsgliedes an und halten an diesem, da sie gleiche Abstände zueinander aufweisen, sicher fest. Das Befestigungsglied kann in keine Richtung ausweichen, insbesondere nicht, wenn die Laschen gleiche Winkelabstände zueinander aufweisen.An embodiment has the content that a plurality, in particular at equal intervals aligned tabs are provided. These plurality of tabs are then after bending on the outer wall or on the outer surface of the fastening member and hold on this, since they have equal distances from each other, securely fixed. The attachment member can not move in any direction, especially not if the tabs have equal angular distances from one another.

Bevorzugte Weiterbildungen der Erfindung sehen vor, dass die wenigstens eine Lasche eine rechteckförmige, runde, elliptische, trapezförmige oder quadratische Grundform aufweist. Die rechteckförmige Grundform ist relativ einfach herstellbar, wobei das Befestigungselement z.B. mittels eines Stanzvorganges aus einer Metalltafel erzeugt wird. Bei runden und elliptischen Grundformen kann die Anlagefläche der Lasche zur Optimierung am Befestigungsglied so angepasst sein, dass sie z.B. unter Vorspannung anliegt oder beim Einschieben oder Eindrehen des Befestigungsglieds weniger stark an diesem anliegt, als beim herausziehen oder ausdrehen. Insbesondere bei einem aus Blech bestehenden Befestigungselement, bei welchem gegebenenfalls auch die Lasche mit einer dünneren Dicke ausgebildet sein kann, ist die Verformung beziehungsweise Umbiegung der Lasche leicht und auch ohne zusätzliche Werkzeuge, z.B. lediglich durch das Einstecken des Befestigungsgliedes durchführbar.Preferred developments of the invention provide that the at least one tab has a rectangular, round, elliptical, trapezoidal or square basic shape. The rectangular basic shape is relatively easy to produce, wherein the fastener is generated for example by means of a punching process from a metal sheet. For round and elliptical basic shapes, the contact surface of the tab for optimizing the attachment member may be adapted so that it bears, for example, under bias or when inserting or screwing the attachment member less strongly applied to this, as when pulling out or unscrew. In particular, in a fastening element consisting of sheet metal, in which optionally also the tab can be formed with a thinner thickness, the deformation or bending of the tab is easily and without additional tools, eg only by inserting the fastening member feasible.

Bei einer bevorzugten Ausführungsform der Erfindung besteht das Befestigungselement und vorzugsweise die wenigstens eine Lasche aus Blechmaterial. Derartige Befestigungselemente sind einerseits zäh und können große Kräfte übertragen, andererseits sind sie relativ flach und tragen nur unwesentlich über dem Befestigungsloch auf.In a preferred embodiment of the invention, the fastener and preferably the at least one tab of sheet metal material. Such fasteners are on the one hand tough and can transmit large forces, on the other hand, they are relatively flat and wear only slightly above the mounting hole.

Bei einer Weiterbildung der Erfindung ist vorgesehen, dass wenigstens ein Befestigungsglied, beispielsweise ein Stift, Dübel oder Bolzen, das Befestigungsloch durchsetzt und in Anlage mit der Anlagefläche des Befestigungselements liegt. Die Lasche greift also direkt am Befestigungsglied an, wobei das Befestigungsglied als Stift, Bolzen oder Schraube ausgebildet ist, es kann aber auch als Dübel ausgebildet sein, in welches ein weiteres Halteelement eingreift.In a development of the invention, it is provided that at least one fastening element, for example a pin, dowel or bolt, passes through the fastening hole and lies in contact with the contact surface of the fastening element. The tab thus acts directly on the fastening member, wherein the fastening member is designed as a pin, bolt or screw, but it can also be designed as a dowel, in which engages a further retaining element.

Die Erfindung betrifft auch ein Möbel, mit einem Möbelkorpus und einem über eine Führungseinrichtung relativ zum Möbelkorpus geführten bewegbaren Möbelteil, insbesondere einer Schublade, Tür oder Klappe, wobei das Möbel eine Befestigungseinrichtung aufweist, die die oben sowie nachfolgend genannten Merkmale besitzt.The invention also relates to a piece of furniture, comprising a furniture body and a movable furniture part, in particular a drawer, door or flap, which is guided relative to the furniture body via a guide device, the furniture having a fastening device which has the features mentioned above and below.

Weitere Vorteile, Eigenschaften und Merkmale der Erfindung ergeben sich aus den Ansprüchen sowie der nachfolgenden Beschreibung in der unter Bezugnahme auf die Zeichnung bevorzugte Ausführungsbeispiele im Einzelnen beschrieben sind. Dabei können die in der Zeichnung dargestellten sowie in den Ansprüchen und in der Beschreibung erwähnten Merkmale jeweils einzeln für sich oder in beliebiger Kombination erfindungswesentlich sein.Further advantages, features and features of the invention will become apparent from the claims and the following description in which preferred embodiments with reference to the drawings are described in detail. The features shown in the drawing and mentioned in the claims and in the description may each be essential to the invention individually or in any combination.

In der ZeichnungIn the drawing

  • Figur 1 eine perspektivische Ansicht eines als Befestigungsscheibe ausgebildeten Befestigungselements; FIG. 1 a perspective view of a fastening plate designed as a fastening element;
  • Figur 2 eine perspektivische Ansicht einer zweiten Ausführungsform der Erfindung mit am Befestigungselement umgebogenen Laschen; FIG. 2 a perspective view of a second embodiment of the invention with the fastener bent tabs;
  • Figur 3 eine perspektivische Ansicht des Befestigungselements gemäß Figur 2 mit eingesetztem Dübel; FIG. 3 a perspective view of the fastener according to FIG. 2 with inserted dowel;
  • Figur 4 eine Draufsicht auf eine dritte Ausführungsform eines Befestigungselements; FIG. 4 a plan view of a third embodiment of a fastener;
  • Figur 5 eine perspektivische Darstellung des Befestigungselements gemäß Figur 4 mit abgebogenen Laschen. FIG. 5 a perspective view of the fastener according to FIG. 4 with bent tabs.

In der Figur 1 ist ein Befestigungselement 10 dargestellt, welches scheibenförmig ausgebildet ist und z.B. von einem Blechmaterial ausgestanzt wurde. Das Befestigungselement 10 besitzt ein Befestigungsloch 12, welches einen teilkreisförmigen Rand 14 aufweist. Von diesem Rand 14 ragen radial drei rechteckförmige Laschen 16 in Richtung des Zentrums 46 ab. Das Befestigungselement 10 ist mit seinen Laschen 16 eben ausgebildet.In the FIG. 1 a fastener 10 is shown, which is disc-shaped and was punched out of a sheet metal material, for example. The fastening element 10 has a fastening hole 12, which has a part-circular edge 14. From this edge 14 protrude radially three rectangular tabs 16 in the direction of the center 46 from. The fastening element 10 is flat with its tabs 16.

In der Figur 2 ist ein zweites Ausführungsbeispiel eines Befestigungselements 10 dargestellt, wobei am Rand 14 des Befestigungsloches 12 vier Laschen 16 angeordnet sind, und die Laschen 16 derart am Rand 14 umgebogen sind, dass sie sich in Richtung der Achse 18 des Befestigungsloches 12 erstrecken. Dabei sind die Laschen 16 am Rand 14 geringfügig in radialer Richtung eingeschnitten, so dass jede Lasche 16 am Schnittrand 20 umgebogen werden kann. Die Laschen 16 erstecken sich nunmehr aus der ursprünglichen Ebene des Befestigungselements 10 heraus.In the FIG. 2 a second embodiment of a fastener 10 is shown, wherein four tabs 16 are arranged on the edge 14 of the mounting hole 12, and the tabs 16 are bent over the edge 14 so that they extend in the direction of the axis 18 of the mounting hole 12. The tabs 16 are slightly cut at the edge 14 in the radial direction, so that each tab 16 can be bent at the cutting edge 20. The tabs 16 extend now out of the original plane of the fastener 10 out.

Wie aus Figur 3 ersichtlich, wird zwischen die einzelnen Laschen 16 ein als Dübel 22 ausgebildetes Befestigungsglied 24 eingedrückt, das von der Innenwandung 26 der Laschen 16 gehalten wird. Dabei liegt die Innenwandung 26 einer jeden Lasche 16 an der Außenfläche 28 des Dübels 22 an und hält diesen gegen Verdrehen fest. An der Außenfläche 28 des Dübels 22 können zudem axialen Nuten vorgesehen sein, in welche die Laschen 16 geringfügig eingreifen, wodurch eine innige Verbindung von Befestigungsglied 24 und Befestigungselement 10 erreicht wird.How out FIG. 3 can be seen, is pressed between the individual tabs 16 designed as a dowel 22 mounting member 24 which is held by the inner wall 26 of the tabs 16. In this case, the inner wall 26 of each tab 16 abuts against the outer surface 28 of the dowel 22 and holds it against rotation. On the outer surface 28 of the dowel 22 also axial grooves can be provided, in which the tabs 16 engage slightly, whereby an intimate connection of the fastening member 24 and fastener 10 is achieved.

An der sichtbaren Außenseite des Befestigungsgliedes 24 befinden sich Nase 30, die auf das Knie 32 der Lasche 16 drücken, wodurch ein weiterer Einschub des Befestigungsgliedes 26 in das Befestigungsloch 12 verhindert wird. In den Dübel 22 kann nun ein Stift, eine Schraube, ein Zapfen oder dergleichen eingeschoben, eingedreht oder eingeschlagen werden. Dabei spielt das Material des Stiftes, der Schraube oder des Bolzens keine Rolle, wohingegen der Dübel 22 vorzugsweise aus Kunststoff und das Befestigungselement 10 vorzugsweise aus Metall, insbesondere Stahl bestehen.On the visible outer side of the fastening member 24 are nose 30, which press on the knee 32 of the tab 16, whereby a further insertion of the fastening member 26 is prevented in the mounting hole 12. In the dowel 22 now a pin, a screw, a pin or the like can be inserted, screwed or hammered. In this case, the material of the pin, the screw or the bolt plays no role, whereas the dowel 22 is preferably made of plastic and the fastener 10 is preferably made of metal, in particular steel.

Bei in der in den Figuren 4 und 5 dargestellten dritten Ausführungsbeispiel weist das Befestigungselement 10, welches, wie aus Figur 4 ersichtlich, ebenfalls scheibenförmig ausgebildet ist, drei Laschen 16 auf, deren Fuß 34 an einer Seite 36 einen relativ tiefen Einschnitt 38 aufweist. Die gegenüberliegende Seite 40 ist nicht oder nur geringfügig eingeschnitten. Außerdem verläuft die Stirnkante 42 der Lasche 16 in etwa parallel zur Fußkante 44. Es ist erkennbar, dass die Tiefe des Einschnitts 38 einen größeren Radius (r2) aufweist, als der Radius (r1) am Ende der Seite 40 am Übergang zum Rand 14.In the in the FIGS. 4 and 5 illustrated third embodiment, the fastener 10, which, as shown FIG. 4 seen, also disc-shaped, three tabs 16, the foot 34 has a relatively deep incision 38 on one side 36. The opposite side 40 is not or only slightly cut. In addition, the end edge 42 of the tab 16 extends approximately parallel to the foot edge 44. It can be seen that the Depth of the incision 38 has a larger radius (r 2 ), as the radius (r 1 ) at the end of the side 40 at the transition to the edge 14th

Werden die Laschen 16, wie in Figur 5 dargestellt, umgebogen, dann verlaufen diese, nicht tangential, wie beim in Figur 2 dargestellten Ausführungsbeispiel, sondern sind leicht gedreht, so dass die Seite 36 aufgrund des kleineren Radius r1 näher zum Zentrum 46 liegt, als die Seite 40. Hierdurch wird der Vorteil erzielt, dass das in das Befestigungsloch 12 eingedrehte Befestigungsglied 24 oder ein Dübel 22 von den Seiten 36 gegen ein Herausdrehen festgehalten wird, wenn das Befestigungsglied 24 bzw. der Dübel 22 ungewollt entgegen der Eindrehrichtung verdreht wird. Die Innenwandung 26 bilden demnach gewissermaßen Wiederhaken. Liegen die Laschen 16 in an der Außenfläche 28 des Dübels 22 vorgesehenen Axialnuten an, dann stützt sich die Seite 36 an der Nutwand ab und die Lasche 16 liegt mit ihrer Innenwandung 26 an der Außenfläche 28 der Nut und somit am Dübel 22 an. Das Befestigungsglied 24 kann somit in erfindungsgemäßer Weise an relativ flachen, scheibenförmigen Gegenständen mit hoher Kraft befestigt werden.If the tabs 16, as in FIG. 5 shown, bent, then these run, not tangentially, as in FIG. 2 illustrated embodiment, but are slightly rotated, so that the side 36 due to the smaller radius r 1 is closer to the center 46, as the side 40. This has the advantage that the screwed into the mounting hole 12 mounting member 24 or a dowel 22 of the sides 36 is held against unscrewing when the fastening member 24 and the anchor 22 is unintentionally rotated counter to the insertion direction. The inner wall 26 therefore form a kind of re-hooking. Are the tabs 16 in provided on the outer surface 28 of the dowel 22 axial grooves, then the side 36 is supported on the groove wall and the tab 16 rests with its inner wall 26 on the outer surface 28 of the groove and thus on the dowel 22. The fastening member 24 can thus be secured in accordance with the invention on relatively flat, disc-shaped objects with high force.

Claims (9)

Befestigungseinrichtung, mit einem Befestigungselement (10) geringer Wandstärke, beispielsweise Befestigungsplättchen oder Befestigungsscheibe zur Befestigung an einem anderen Bauteil, mit wenigstens einem Befestigungsloch (12) zur Durchführung eines Befestigungsgliedes (24), das mit seiner Außenfläche (28) an einer eine Anlagefläche bildenden Innenwandung (26) des Befestigungslochs (12) in Anlage bringbar ist, dadurch gekennzeichnet, dass zur Vergrößerung der Anlagefläche die Innenwandung (26) in Axialrichtung des Befestigungsloches (12) durch wenigstens eine Lasche (16) verlängert oder verlängerbar ist.Fastening device, with a fastening element (10) of small wall thickness, for example mounting plate or mounting plate for attachment to another component, with at least one mounting hole (12) for passing a fastening member (24) with its outer surface (28) on an inner surface forming a contact surface (26) of the mounting hole (12) can be brought into contact, characterized in that to increase the contact surface, the inner wall (26) in the axial direction of the mounting hole (12) by at least one tab (16) is extended or extended. Befestigungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die wenigstens eine Lasche (16) aus dem Material des Befestigungselementes (10) herausgebildet und in Axialrichtung umgebogen oder umbiegbar ist.Fastening device according to claim 1, characterized in that the at least one tab (16) formed out of the material of the fastening element (10) and bent or bendable in the axial direction. Befestigungseinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die wenigstens eine Lasche (16) zwischen einer Ausgangsstellung, in der sie in radialer Richtung in den freien Öffnungsquerschnitt des Befestigungslochs (12) hinein ragt, und einer Anlagestellung, in der sie sich in Axialrichtung erstreckt, biegbar ist.Fastening device according to claim 1 or 2, characterized in that the at least one tab (16) between an initial position in which it projects in the radial direction in the free opening cross-section of the mounting hole (12), and an abutment position in which they are in the axial direction extends, is bendable. Befestigungseinrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Lasche (16) derart ausgebildet ist, dass sie durch das Einführen des Befestigungsgliedes (24) von der Ausgangsstellung in die Anlagestellung biegbar ist.Fastening device according to claim 3, characterized in that the tab (16) is designed such that it is bendable by the insertion of the fastening member (24) from the starting position into the contact position. Befestigungseinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mehrere, insbesondere mit gleichen Abständen zueinander ausgerichtete Laschen (16) vorgesehen sind.Fastening device according to one of the preceding claims, characterized in that a plurality, in particular at equal intervals aligned tabs (16) are provided. Befestigungseinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die wenigstens eine Lasche (16) eine rechteckförmige, runde, elliptische, trapezförmige oder quadratische Grundform aufweist.Fastening device according to one of the preceding claims, characterized in that the at least one tab (16) has a rectangular, round, elliptical, trapezoidal or square basic shape. Befestigungseinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Befestigungselement (10) und vorzugsweise die wenigstens eine Lasche (16) aus Blechmaterial besteht.Fastening device according to one of the preceding claims, characterized in that the fastening element (10) and preferably the at least one tab (16) consists of sheet metal material. Befestigungseinrichtung nach einem der vorhergehenden Ansprüche, gekennzeichnet durch wenigstens ein Befestigungsglied (24), beispielsweise Stift, Dübel (22) oder Bolzen, das das Befestigungsloch (12) durchsetzt und in Anlage mit der Anlagefläche des Befestigungselementes (10) liegt.Fastening device according to one of the preceding claims, characterized by at least one fastening member (24), for example, pin, dowel (22) or bolt, which passes through the mounting hole (12) and in abutment with the contact surface of the fastening element (10). Möbel, mit einem Möbelkorpus und einem über eine Führungseinrichtung relativ zum Möbelkorpus geführten bewegbaren Möbelteil, insbesondere Schublade, Tür oder Klappe, gekennzeichnet durch eine Befestigungseinrichtung nach einem der Ansprüche 1 bis 8.Furniture, comprising a furniture body and a guided by a guide device relative to the furniture body movable furniture part, in particular drawer, door or flap, characterized by a fastening device according to one of claims 1 to 8.
EP15202948.4A 2015-01-15 2015-12-29 Fixing device Active EP3045744B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202015000344.3U DE202015000344U1 (en) 2015-01-15 2015-01-15 fastening device

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EP3045744A1 true EP3045744A1 (en) 2016-07-20
EP3045744B1 EP3045744B1 (en) 2020-01-22

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB842566A (en) * 1957-06-19 1960-07-27 Carr Fastener Co Ltd Improvements in and relating to fastener devices for mounting in an aperture or recess of a support
DE19916989A1 (en) * 1999-04-15 2000-10-19 Bauer Christian Gmbh & Co Locking washer for bolt has inwardly-projecting tongues which cooperate with circumferential groove on bolt
DE102009021326A1 (en) * 2009-05-14 2011-01-05 Pfw Aerospace Ag Fixing composite for fixing element, has plane surface and carrier structure, where fixing element has opening
EP2474750A2 (en) * 2011-01-07 2012-07-11 Bollhoff Otalu S.A. Assembly comprising a support and a connecting insert, and method for assembling same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194644B (en) * 1959-04-17 1965-06-10 Rau Swf Autozubehoer Holding device for a rotatably mounted ring body
DE2648090A1 (en) * 1976-10-23 1978-04-27 Bosch Gmbh Robert AXIAL LOCKING ON A SHAFT
GB2157786B (en) * 1984-04-24 1988-09-01 Salter & Co Ltd G Retaining ring
DE19647589C1 (en) * 1996-11-18 1998-02-26 Faure Bertrand Sitztech Gmbh Ring=shaped securing component

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB842566A (en) * 1957-06-19 1960-07-27 Carr Fastener Co Ltd Improvements in and relating to fastener devices for mounting in an aperture or recess of a support
DE19916989A1 (en) * 1999-04-15 2000-10-19 Bauer Christian Gmbh & Co Locking washer for bolt has inwardly-projecting tongues which cooperate with circumferential groove on bolt
DE102009021326A1 (en) * 2009-05-14 2011-01-05 Pfw Aerospace Ag Fixing composite for fixing element, has plane surface and carrier structure, where fixing element has opening
EP2474750A2 (en) * 2011-01-07 2012-07-11 Bollhoff Otalu S.A. Assembly comprising a support and a connecting insert, and method for assembling same

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DE202015000344U1 (en) 2016-04-18

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